"Sleep problems are common and fairly easy to treat", said lead researcher Dr Lars Erik Laugsand from the Norwegian University of Science and Technology in Trondheim.

“失眠问题非常常见，也很容易治疗”，来自特隆赫姆挪威科技大学的首席研究员拉尔斯·埃里克·劳桑德这样说。

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The 21st century is the time of the competition among highly qualified talents. Whichever country possesses them, its science and technology will surly be lead in the world.

21世纪是高素质人才竞争的时代，哪个国家拥有高素质人才，科学技术就领先于世界。

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Based on art creation, focused on science technology, the exhibition aimed to lead people to step into the palace of science and art.

本届展览将以艺术创作为表现手法，科学技术为核心，引领人们进入科学与艺术的殿堂。

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Announcing the change, Chancellor George Osborne said the updated qualifications would help Britain "lead the way in science and technology".

BBC: Government accused of engineering diploma U-turn

That's the kind of investment in our own people that helped us lead the world in business and science and technology and medicine.

WHITEHOUSE: President Obama Speaks on College Affordability

She was also named to help lead the White House national program on STEM (science, technology, engineering and math) in November 2009.

WHITEHOUSE: The White House